Periodically throughout recorded history, puzzling instances of psychiatric and neurologic symptoms have presented en mass<span>: outbursts of thrashing and screaming, or je rky spasms and abrupt vocal tics affecting a group of individuals at once and often attributed to causes like possession, witchcraft, and malingering. Such occurrences of so-called "mass hysteria" continue to confound the medical community, but growing experience has improved the understanding and approach to these seemingly contagious psychogenic events. </span>
What? I dont understand the question in this ?
I think the answer is commas.
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Meaning➖
conflicting with or running counter to.
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Examples➖
▪️"contrary to his expectations, he found the atmosphere exciting"
▪️"the court ruled that the restrictions were contrary to the public interest"
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Synonyms➖
in conflict with
against
at variance with
at odds with
in opposition to
not in accord with, counter to
conflicting with
incompatible with; rarerepugnant
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